皮皮学，免费搜题
登录
搜题
【单选题】
关于沟通的说法,以下叙述中正确的是A.
指人与人之间传达思想、转移信息的过程
B.
人与人之间交往的一座桥梁
C.
沟通是一个人获得他人思想、感情、见解、价值观的一种途径
D.
其余选项都正确
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】How to operate oily water separator?
【单选题】Which of the following pumps is most suitable for an oily water separator?
A.
reciprocating pump
B.
vane pump
C.
mono pump
D.
axial-flow pump
【简答题】oily water separator
【单选题】The pressure difference of the gauge on the oily water separator increases greatly, the reason is____.
A.
the filter is clogged
B.
bilge suction value is clogged
C.
suction value and discharge value of the pump do not open fully
D.
screw pump is worn seriously and volumetric efficiency is decreased
【单选题】The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is ____.
A.
the sensor of low oil level is fully covered by sludge
B.
the coarse strainer before the pump in suction system is clogged
C.
the screw pump is worn seriously and volumetric efficiency is decreased
D.
bilge suction value is clogged
【单选题】Which of the following pumps will most affect oily water separator performance and give the worst result?
A.
reciprocating pump
B.
vane pump
C.
screw pump
D.
centrifugal pump
【单选题】How is the oily water separator?
A.
It is in good order
B.
There is something wrong with it
C.
It is working well
D.
It is in normal condition
【单选题】对于自耦变压器,等值电路中各绕组的电阻,下述说法中正确的是( )。
A.
等值电路中各绕组的电阻，是各绕组实际电阻按照变压器变比归算到同一电压等级的电阻值；
B.
等值电路中各绕组的电阻一定为正值，因为绕组总有电阻存在。
C.
等值电路中各绕组的电阻就是各绕组的实际电阻；
D.
等值电路中各绕组的电阻是各绕组的等效电阻归算到同一电压等级的电阻值；
【单选题】对于自耦变压器，等值电路中各绕组的电阻，下述说法中正确的是（ ）。
A.
等值电路中各绕组的电阻，是各绕组实际电阻按照变压器变比归算到同一电压等级的电阻值
B.
C.
等值电路中各绕组的电阻就是各绕组的实际电阻
D.
E.
等值电路中各绕组的电阻是各绕组的等效电阻归算到同一电压等级的电阻值
F.
G.
等值电路中各绕组的电阻一定为正值，因为绕组总有电阻存在。
相关题目：